US3844910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of metal coatings
Assignee: Elektroschmelzwerk Kempten GmbH
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Filing: 1973-07-19
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Granted: 1974-10-29
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Expires: 1993-07-19
Abstract
Abstract The present invention relates to improving the concentration and distribution of finely divided, solid nonmetallic substances in metallic coatings by suspending in the aqueous electrolytic baths from which such coatings are produced regulated amounts of at least one amino-organosilicon compound, such as, for example, gamma-aminopropyl-triethoxy silicane.
Inventors
- 👤 A Lipp
- 👤 G Kratel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:19
CPC Classifications
C; C25; C25D; C25D15/00; C25D15/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
64 words
PROCESS FOR THE PRODUCTION OF ELECTROPLATING OF METALLIC COATINGS CONTAINING EMBEDDED THEREIN NONMETALLIC, SOLID MATERIALS HAVING A GRAIN SIZE NOT GREATER THAN 10 MICRONS, WHICH COMPRISSES INCORPORATING IN THE ELECTROPLATING BATHS CONTAINING SAID SOLID MATERIALS 0.1 - 3.0 PERCENT, BY WEIGHT, OF AT LEAST ON ONE AMINO-ORGANOSILICON COMPOUND, BASED ON THE WEIGHT OF SAID NONMETALLIC SOLID MATERIALS TO BE EMBEDDED IN SAID METALLIC COATINGS.
Claim 2
Dependent Claim
64 words
PROCESS FOR THE PRODUCTION OF ELECTROPLATING OF METALLIC COATINGS CONTAINING EMBEDDED THEREIN NONMETALLIC, SOLID MATERIALS HAVING A GRAIN SIZE NOT GREATER THAN 10 MICRONS, WHICH COMPRISSES INCORPORATING IN THE ELECTROPLATING BATHS CONTAINING SAID SOLID MATERIALS 0.1 - 3.0 PERCENT, BY WEIGHT, OF AT LEAST ON ONE AMINO-ORGANOSILICON COMPOUND, BASED ON THE WEIGHT OF SAID NONMETALLIC SOLID MATERIALS TO BE EMBEDDED IN SAID METALLIC COATINGS.
Claim 3
Dependent Claim
140 words
Process according to claim 1, wherein the amino-organosilicon compound is selected from the group represented by the formula (ZnR'')aSi(R)bX4 a b wherein R represents a monovalent hydrocarbon residue, R'' represents an aliphatic residue having one or more than two carbon atoms, which can be interrupted through ether oxygen atom and which has a valence of n + 1, n represents a positive whole number, X represents a substituent selected from the group consisting of a hydrolyzable group, a hydrolyzable atom and a hydroxyl, a stands for a numeral selected from 1 and 2, b stands for a numeral selected from the group consisting of 0, 1 and 2, and where the sum of a + b is 1, 2 or 3, and Z represents the group NH2 or a monovalent group which is bound through a carbon-nitrogen bond to R''.
Claim 4
Dependent Claim
11 words
Process according to claim 1, wherein the amino-organosilicon is gamma-aminopropyltriethoxy silane.
Claim 5
Dependent Claim
12 words
Process according to claim 1, wherein the amino-organosilicon compound is N-beta-aminoethyl-gamma-aminopropyl-trimethoxy silane.
Claim 6
Dependent Claim
12 words
Process according to claim 1, wherein the amino-organosilicon compound is O-beta-aminoethyl-gamma-oxypropylmethyl-bis-(beta-aminoethoxy-) silane.
Claim 7
Dependent Claim
29 words
Process according to claim 1, wherein the amino-organosilicon compound is adsorbed to the nonmetallic, solid material to be embedded in the metallic coating before introduction into the electrolyte bath.
References Cited (Backward Citations)
US3061525A
Cited
US3268308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |